Universal Licensing System
WRMU934
Jefferson Microwave, LLC
License details
| ULS identifier | 4457534 |
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| Call sign | WRMU934 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2021-06-08 |
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| Expiration | 2031-06-08 |
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| Frequency range | 17760 - 18080 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | Chicago, COOK, IL |
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| Coordinates | 41.8533056, -87.6186667 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:38 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17760.00000000 | | | | | |
| 1 | 1 | FXO | 17760.00000000 | | | | | |
| 1 | 4 | FXO | 17800.00000000 | | | | | |
| 1 | 4 | FXO | 17800.00000000 | | | | | |
| 1 | 3 | FXO | 17960.00000000 | | | | | |
| 1 | 3 | FXO | 17960.00000000 | | | | | |
| 1 | 2 | FXO | 18080.00000000 | | | | | |
| 1 | 2 | FXO | 18080.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17760.00000000 | | 40M0D7W |
| 1 | 1 | 17760.00000000 | | 40M0D7W |
| 1 | 4 | 17800.00000000 | | 40M0D7W |
| 1 | 4 | 17800.00000000 | | 40M0D7W |
| 1 | 3 | 17960.00000000 | | 40M0D7W |
| 1 | 3 | 17960.00000000 | | 40M0D7W |
| 1 | 2 | 18080.00000000 | | 40M0D7W |
| 1 | 2 | 18080.00000000 | | 40M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Cermak Rd, Chicago, COOK, IL | 41.85330556, -87.61866667 | 182.000 m | B | 40.200 m structure / 40.200 m overall | |
| 2 | R | | 41.85341667, -87.62016667 | 181.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Andrew Corporation VHLPX1-18 | | V | 34.6000 | 275.5000 | | |
| 1 | 2 | R | Andrew Corporation VHLPX1-18 | | | 34.6000 | | | |
| 2 | 1 | T | Andrew Corporation VHLPX1-18 | | H | 34.6000 | 275.5000 | | |
| 2 | 2 | R | Andrew Corporation VHLPX1-18 | | | 34.6000 | | | |
| 3 | 1 | T | Andrew Corporation VHLPX1-18 | | V | 34.6000 | 275.5000 | | |
| 3 | 2 | R | Andrew Corporation VHLPX1-18 | | | 34.6000 | | | |
| 4 | 1 | T | Andrew Corporation VHLPX1-18 | | H | 34.6000 | 275.5000 | | |
| 4 | 2 | R | Andrew Corporation VHLPX1-18 | | | 34.6000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2021-09-07 | WRMU934 | LIMOD |
| 2021-06-08 | WRMU934 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4457534 | 2026-08-02 02:46:38 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRMU934 | ULS 4457534 | 2026-08-02 02:46:38 |
| Status | A | ULS 4457534 | 2026-08-02 02:46:38 |
| Service | MG | ULS 4457534 | 2026-08-02 02:46:38 |
| Grant Date | 2021-06-08 | ULS 4457534 | 2026-08-02 02:46:38 |
| Expiration Date | 2031-06-08 | ULS 4457534 | 2026-08-02 02:46:38 |